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d/control: Don't recommend libnss-gw-name

Sunil Mohan Adapa requested to merge remove-libnss-gw-name into main

Closes: Debian bug #1069240 Closes: Debian bug #877935

  • libnss-gw-name resolves 'gateway.localhost' to the ip address currently configured as default route. This has been abandoned upstream[2], deprecated in Debian[1]. Using libnss-myhostname (part of systemd) instead is recommended[2].

  • libnss-gw-name has been removed from testing and unstable. Installing freedombox package in these distributions no longer installs the libnss-gw-name package but freedombox installation succeeds as this is only a recommends. Latest images don't contain the libnss-gw-name package either.

  • We already recommend libnss-myhostname and this package is typically installed along with freedombox package.

  • libnss-myhostname resolves '_gateway' where as libnss-gw-name resolves 'gateway.localhost'. This is technically a breaking change. However, we have neither used nor documented gateway resolution on FreedomBox machines. So, any disruption is likely minimal.

Tests:

  • On a FreedomBox container, running 'ping _gateway' shows that it resolves to the same IP address as default route shown in 'ip route'.

Links:

  1. https://www.debian.org/releases/stable/amd64/release-notes/ch-information.en.html#deprecated-components
  2. https://github.com/nomeata/libnss-gw-name

Signed-off-by: Sunil Mohan Adapa sunil@medhas.org

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